Yarn separator



Aug. 4, 1931.

F. K. HENDRICKSON YARN SEPARATOR Filed March 27, 1929 INVENTOR.

ATTORNEYS Patented Aug. 4, 1931 UNETED STATES FRED K. nnnnnrcxson, or wonensrns,

PATENT OFFICE MASSACHUSETTS, ASSIGNOR TO WHITIN MACHINE WORKS, OF VIEITIITSVILLE, MASSACH SET S, A CORPORATION OF MAS- SAGI-IUSETTS YARN SEPARAIOR Application filed March 27, 1929. Serial No. 350,398.

This invention relates to separators as used on spinning and twisting frames to prevent the entangling of the yarns on adjacent bobbins.

It is the general object of my invention to provide a separator of a new and improved design and construction, by which the adjacent yarns will be more effectively separated, thus permitting higher spindle is speeds and lighter travelers to be used where found desirable.

A further object of my invention is to provide separators so mounted on the spinning or twisting frame that they will be effectively held in either operative or inoperative position by gravity only.

Important features of the invention relate to the provision of separators mounted to maintain a fixed relation to the spinning rings and ring rails, and to the provision of separators so constructed that they are of exceptional strength and rigidity.

I have also provided for convenient access to the rings for piecing up the thread or 35 yarn and have so constructed my improved separators that there need be no contact of the spinner or operative with any thin or sharp edges of the separator.

My invenion further relates to arrange- 30 ments and combinations of parts which will be hereinafter described and more particularly pointed out in the appended claims.

A preferred form of the invention is shown in the drawings in which Fig. 1 is a front elevation of parts of a spinning frame embodying my invention;

Fig. 2 is a sectional end elevation, taken along the line 22 in Fig. 1;

Fig. 3 is an enlarged side elevation, partly in section, of portions of a supporting member on which a separator blade or plate is to be mounted; and

Fig. 4 is a detail sectional view, taken I 45 along the line dl in Fig, 8.

bins B are mounted on spindles 16 secured in a spindle rail 18 by nuts 19.

In the particular machine chosen for illustration, the ring rail and thread board 11 are fixed to the frame 20 of the machine, while the spindle rail 18 is mounted for vertical movement relative to the ring rail 10 and to the rings 22 thereon.

As the spindle 16 rotates, each yarn Y is drawn downward from a thread guide 1 1 through a traveler 2 1 on a ring 22 to a bobbin B, as clearly indicated in Fig. 1.

As the speed of the spindle increases, the yarn Y has an increased tendency to move outward by centrifugal force, producing the effect commonly known as ballooning.

For economy of manufacture, it is necessary that the spindles 16 be placed as close together as possible, and in order to operate the spindles at high speed it is necessary to prevent the yarns on adjacent spindles from coming in contact as a result of the ballooning tendency above described.

It has accordingly been customary to place thin metal plates or blades between adjacent spindles, which keep the yarns on adjacent spindles separated.

In the application of my improvements, I provide a square or non-circular separator bar 30, pivotally mounted in bearings 32 on the front of the fixed ring rail 10. The bar may extend any desired distance along the rail 10 and usually two or more such bars are provided in the length of the spinning or twisting frame.

Separator blades or plates 34: are mounted on supporting members 36 having non-circular openings corresponding to the cross section of the separator bar 30. The men bers 36 are slidable on the bar 30 to the desired longitudinal position and are each preferably held in position by a clamping bolt 38 having a notch 39 to engage one corner of the bar 30 and having a nut 410 by which clamping pressure may be applied. By tightening the nut 40, the member 36 may be very firmly secured in desired position.

Each member 36 is provided with diverging arms %2 and 14-, each arm being grooved as indicated at in Fig. i to receive the edge of the plate 34. The arm 42 is provided with a lug or projection 46 (Fig. 2) adapted to rest on the rear portion of the ring rail when the separators are in raised or operative position. The arm 44 is displaced rearwardly, as indicated at 50, to provide more convenient access to the spinning rings 22 and travelers 24, and the corresponding portion of the plate 34 is similarly cut away. A I

"Each separator plate 34 is firmly secured in the arms 42 and 44 of one of the members 36 by forcing the plate snugly into the grooves 45. The parts vmay be, additionally secured together by welding or by other well known methods, if deemed desirable.

vMy improved separators as above described possess marked advantages over the separators previously incomm'on use.' By mounting the separators at the front of the ring rail,.they may be easily swung outward and downward to the dotted line position in Fig. 2 when the bobbins are to be dofled, and they :will be held by gravity in either the raised operative position or. the depending inoperative. position, and without the use of springs or locking devices. The blades 34 may be made of minimum thickness and lightness, as they are firmly supported and re enforced by the'arms 42 and 44 in which they are secured... The positive engagement of the lugs 46 with the rail 10 definitely locates the separators in operative position, and the provision of the rearwardly displaced portions 50 of the arms 44 permits convenient access tothe rings 22 for piecing up, as previously noted.

Furthermore, the thin edges of the separator plates 34 are fully protected by the arms 44 in that portion in which the opera tor would have occasion to contact therewith, and the arms 44 are ofsuchsection and outline, as indicated in Fig. 4, as to avoid the possibility of injury by contact therewith.

Furthermore, it will be noted'that my improved separators extend downward to points closely adjacent the rings 22 and upward'to points closely adjacent the thread guides 14, thus providing the maximum separating effect and correspondingly reducing the chance of engagement and entangling of adjacent yarns.

Having thus described my invention and the advantages thereof, I do not wish to be limited to the details herein disclosed, other- ..wise than as set forth in the claims, but'what I claim is 1. In a spinning or twisting machine, a pivoted separator bar, a supporting member mounted on said bar and having diverging grooved arms, and an upstanding sheet metal separator plate supported by said arms and secured in the grooves thereof.

2. In a rmg spinning or twisting machine,

a pivoted separator bar, a supporting member mounted on said bar and having diverging grooved arms, and an upstanding sheet metal separator plate supported by said arms and secured in the grooves thereof, a portion of one of said arms and the corresponding lower front portion of said plate being displaced rearwardly to provide access to the rings. 7

'3. A separator for a spinning or twisting machine comprising a sheet metal separator plate and a supporting member having diverging grooved arms embracing two adjacent edges of said plate and permanently secured thereto.

4. In a ring spinning or twisting'machine, a ring rail having a plurality of rings mounted thereon, a separator .bar pivotally mounted on said ring rail at the front side thereof and substantially in horizontal'alignment therewith, an upstanding separator plate positioned between each two adjacent rings, and supports for said plates mounted on said separator bar and axially adjustable thereon, said separator plates and said supports being recessed rearwardly at the lower front corner above and adjacent said separator bar to provide clear access to the rings. p

In testimony whereof I have hereunto affixed my signature.

FRED K. HENDRIGKSON. 

